April 28 – 30, 2023. At Las Vegas Motor Speedway, NV. #TeamTCI autocross. Holley LS Fest is a celebration of everything and anything powered by the incredible GM LS engine! Race cars, street rods, muscle cars, trucks, late models, drift cars, prerunners, Ultra 4 buggies. Take part in our Drag Racing classes, Autocross, 3S Challenge, Show-N-Shine, Sac Speed Shop Donut Pit, Dyno Challenge, Road Course Challenge, off road Dirt Destruction and more!